R510 pwr light stays red

[Cam]

 POE Ethernet port light is green. PWR light on the front panel stays red. Unleashed app shows the AP as offline. I have tried unplugging the POE and plugging it back in with no success. I have also tried holding the reset button (45 seconds) using the handle loop wire that came in the box - PWR light continued to persist as red. I removed the AP and tried a different direct POE Ethernet cable with no success. Appears to need replacement but not sure how to go about that. Please help!